Finding the Fourth Proportional to 268,557.93, 402,806.79 and 68,882.99
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Solution
The fourth proportional to 268,557.93, 402,806.79 and 68,882.99 is: 103,316.76
Step by Step Solution
- Step 1: Write the proportion equation
268,557.93 : 402,806.79 = 68,882.99 : x - Step 2: Convert to fraction form
268,557.93/402,806.79 = 68,882.99/x - Step 3: Cross multiply
268,557.93x = 402,806.79 × 68,882.99 - Step 4: Simplify right side
268,557.93x = 27,746,534,073.47 - Step 5: Solve for x
x = 27,746,534,073.47/268,557.93 - Step 6: Final answer
x = 103,316.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.